chiark / gitweb /
headers: fix git URLs for source files
[elogind.git] / man / sd_notify.xml
index 8e6ee61006673d34cdabe970bd0b4320516765b5..020914607cab38df794e7807e50b5eaa0133464f 100644 (file)
@@ -50,7 +50,7 @@
 
         <refsynopsisdiv>
                 <funcsynopsis>
-                        <funcsynopsisinfo>#include "sd-daemon.h"</funcsynopsisinfo>
+                        <funcsynopsisinfo>#include &lt;systemd/sd-daemon.h&gt;</funcsynopsisinfo>
 
                         <funcprototype>
                                 <funcdef>int <function>sd_notify</function></funcdef>
@@ -87,7 +87,7 @@
                 processes.</para>
 
                 <para>The <parameter>state</parameter> parameter
-                should contain an newline-seperated list of variable
+                should contain an newline-separated list of variable
                 assignments, similar in style to an environment
                 block. A trailing newline is implied if none is
                 specified. The string may contain any kind of variable
                                 definition file has Type=notify
                                 set. The passed argument is a boolean
                                 "1" or "0". Since there is little
-                                value in signalling non-readiness the
+                                value in signalling non-readiness, the
                                 only value daemons should send is
                                 "READY=1".</para></listitem>
                         </varlistentry>
                                 <listitem><para>Passes a single-line
                                 status string back to the init system
                                 that describes the daemon state. This
-                                is free-from and can be used for
+                                is free-form and can be used for
                                 various purposes: general state
                                 feedback, fsck-like programs could
                                 pass completion percentages and
                 for details.</para>
 
                 <para><function>sd_notifyf()</function> is similar to
-                <function>sd_notifyf()</function> but takes a
+                <function>sd_notify()</function> but takes a
                 <function>printf()</function>-like format string plus
                 arguments.</para>
         </refsect1>
                 <para>On failure, these calls return a negative
                 errno-style error code. If
                 <varname>$NOTIFY_SOCKET</varname> was not set and
-                hence no status data could be sent 0 is returned. If
+                hence no status data could be sent, 0 is returned. If
                 the status was sent these functions return with a
-                positive return value. In order to support both init
+                positive return value. In order to support both, init
                 systems that implement this scheme and those which
-                don't it is generally recommended to ignore the return
+                don't, it is generally recommended to ignore the return
                 value of this call.</para>
         </refsect1>
 
                 datagram is accompanied by the process credentials of
                 the sending daemon, using SCM_CREDENTIALS.</para>
 
-                <para>For details about the algorithm check the
+                <para>For details about the algorithms check the
                 liberally licensed reference implementation sources:
-                <ulink url="http://cgit.freedesktop.org/systemd/tree/src/sd-daemon.c"/>
+                <ulink url="http://cgit.freedesktop.org/systemd/plain/src/sd-daemon.c"/>
                 resp. <ulink
-                url="http://cgit.freedesktop.org/systemd/tree/src/sd-daemon.h"/></para>
+                url="http://cgit.freedesktop.org/systemd/plain/src/systemd/sd-daemon.h"/></para>
 
                 <para><function>sd_notify()</function> and
                 <function>sd_notifyf()</function> are implemented in
-                the reference implementation's drop-in
+                the reference implementation's
                 <filename>sd-daemon.c</filename> and
-                <filename>sd-daemon.h</filename> files. It is
-                recommended that applications consuming these APIs
-                copy the implementation into their source tree. For
+                <filename>sd-daemon.h</filename> files. These
+                interfaces are available as shared library, which can
+                be compiled and linked to with the
+                <literal>libsystemd-daemon</literal>
+                <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+                file. Alternatively, applications consuming these APIs
+                may copy the implementation into their source tree. For
                 more details about the reference implementation see
-                <citerefentry><refentrytitle>sd_daemon</refentrytitle><manvolnum>7</manvolnum></citerefentry></para>
+                <citerefentry><refentrytitle>sd_daemon</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
 
-                <para>If -DDISABLE_SYSTEMD is set during compilation
-                this function will always return 0 and otherwise
-                become a NOP.</para>
+                <para>If the reference implementation is used as
+                drop-in files and -DDISABLE_SYSTEMD is set during
+                compilation these functions will always return 0 and
+                otherwise become a NOP.</para>
         </refsect1>
 
         <refsect1>
                         <title>Start-up Notification</title>
 
                         <para>When a daemon finished starting up, it
-                        might issue the following call call to notify
+                        might issue the following call to notify
                         the init system:</para>
 
                         <programlisting>sd_notify(0, "READY=1");</programlisting>